Havskov, J. (2004). Instrumentation in earthquake seismology. Springer.
Chicago Style aipamenaHavskov, Jens. Instrumentation in Earthquake Seismology. Netherlands: Springer, 2004.
MLA aipamenaHavskov, Jens. Instrumentation in Earthquake Seismology. Springer, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.